How many faradays of electricity are required to liberate 9g aluminium? (AI = 27)

A. 0.1

B. 0.3

C. 1.0

D. 2.7

E. 3.0

Correct Answer: Option C

**C. 1.0**

How many faradays of electricity are required to liberate 9g aluminium? (AI = 27)

A. 0.1

B. 0.3

C. 1.0

D. 2.7

E. 3.0

Correct Answer: Option C

**C. 1.0**

Pls show me the workings

(AL = 27)

Al3+ + 3e- = Al

27g of Al required 3 x 96500

9g will require: (3x96500x9)/27

Ans=96500C of electricity.

1 Faraday = 96500

therefore the answer is

1.